轻型建筑钢结构的檩条布置和设计，对整体结构的安全性和经济性有十分重要的意义。
The layout arrangement and design of purlin is very important to the safety and economy of light gauge steel structures.
用钢量增加幅度最大的是不上人的轻型屋面檩条，提高幅度达22%。
The maximum amount of increasing in weight of steel is 22%for the roof purlins.
施工结束后应验看各部分的衔接加固状况，看下轻型钢构造房子应留意檩条的类型不要太小。
After the end of construction fulfilled at each part of the reinforcement of cohesion, look at the light steel house should pay attention to the type of not too small.
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